WO2012172818A1 - Circuit d'affichage en couleurs pour affichage à cristaux liquides - Google Patents

Circuit d'affichage en couleurs pour affichage à cristaux liquides Download PDF

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Publication number
WO2012172818A1
WO2012172818A1 PCT/JP2012/003938 JP2012003938W WO2012172818A1 WO 2012172818 A1 WO2012172818 A1 WO 2012172818A1 JP 2012003938 W JP2012003938 W JP 2012003938W WO 2012172818 A1 WO2012172818 A1 WO 2012172818A1
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WO
WIPO (PCT)
Prior art keywords
display
color
data
liquid crystal
processing unit
Prior art date
Application number
PCT/JP2012/003938
Other languages
English (en)
Japanese (ja)
Inventor
丈晴 岩田
Original Assignee
テルモ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by テルモ株式会社 filed Critical テルモ株式会社
Publication of WO2012172818A1 publication Critical patent/WO2012172818A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
    • A61M5/1456—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons with a replaceable reservoir comprising a piston rod to be moved into the reservoir, e.g. the piston rod is part of the removable reservoir
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • G09G5/024—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed using colour registers, e.g. to control background, foreground, surface filling
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/37—Details of the operation on graphic patterns
    • G09G5/377—Details of the operation on graphic patterns for mixing or overlaying two or more graphic patterns
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/50—General characteristics of the apparatus with microprocessors or computers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/50—General characteristics of the apparatus with microprocessors or computers
    • A61M2205/502—User interfaces, e.g. screens or keyboards
    • A61M2205/505—Touch-screens; Virtual keyboard or keypads; Virtual buttons; Soft keys; Mouse touches
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/50—General characteristics of the apparatus with microprocessors or computers
    • A61M2205/52—General characteristics of the apparatus with microprocessors or computers with memories providing a history of measured variating parameters of apparatus or patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
    • A61M2205/583—Means for facilitating use, e.g. by people with impaired vision by visual feedback
    • A61M2205/584—Means for facilitating use, e.g. by people with impaired vision by visual feedback having a color code
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2380/00—Specific applications
    • G09G2380/08—Biomedical applications
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed

Definitions

  • the present invention relates to a color display circuit for liquid crystal display for color display on a liquid crystal display device provided in a medical device such as a syringe pump for delivering a medicine or the like to a patient.
  • a syringe pump is used as an example of a medical device.
  • this syringe pump is used in an intensive care unit (ICU) or the like, and is used for an anticancer agent, an anesthetic agent, a chemotherapeutic agent, a blood transfusion, a nutritional agent, etc. It is used to perform the liquid feeding treatment of the drug with high accuracy for a relatively long time.
  • the syringe body filled with the drug is set so as not to move using the clamp with respect to the syringe pump, and the syringe pump presses the syringe pusher by driving the motor to accurately move the drug in the syringe body to the patient side. Deliver liquid.
  • a medical device such as a syringe pump is provided with a liquid crystal display (LCD) for displaying, for example, a scheduled amount of drug administration, an integrated amount of drug administration, and the like.
  • LCD liquid crystal display
  • This liquid crystal display device displays information contents such as numerical values and warnings in color graphics, so that a medical worker can be visually alerted.
  • the frame buffer and the main memory are integrated, and the CPU (central processing unit) performs graphic processing, thereby reducing the hardware scale of the graphics computer.
  • Patent Document 1 discloses reducing the cost by reducing the cost.
  • An object of the present invention is to provide a color display circuit for liquid crystal display that can quickly display information contents in a liquid crystal display device and reduce the manufacturing cost.
  • the color display circuit for liquid crystal display of the present invention is a color display circuit for liquid crystal display for color display on a liquid crystal display device provided in an apparatus, and is for a central processing unit and display data for storing display data. Based on the memory and display screen configuration information supplied to the central processing unit, the display data is fetched from the display data memory to add color information to the display data, and from the display data to the liquid crystal display device A color display processing unit for assembling screen data including information content to be displayed on the screen, and a frame memory for storing the screen data assembled by adding the color information. According to the above configuration, the information content can be quickly displayed in color on the liquid crystal display device, and the manufacturing cost can be reduced.
  • the display processing of the screen data including the information content to be displayed on the liquid crystal display device is not performed by the central processing unit, but is handled by the color display processing unit which is added hardware, and the color display processing unit displays the display data. Therefore, the display speed of the screen data in the liquid crystal display device can be improved. Moreover, since the central processing unit is freed from the image processing operation of screen data including information contents, it is not necessary to use a high-performance central processing unit, and a low-performance central processing unit can be adopted, so that the manufacturing cost can be reduced. .
  • the color display processing unit includes a color instruction unit for adding color information to the display data.
  • the color instruction unit of the color display processing unit can add color information to the display data because the color display processing unit can add color information to the display data memory side. Since there is not, the storage capacity of the display data memory can be reduced.
  • the color display processing unit fetches the screen data from the frame memory and supplies the screen data to the liquid crystal display device to display the screen data in color.
  • the color display processing unit can capture the screen data from the frame memory and display the screen data including the information contents in color on the liquid crystal display device.
  • a display screen configuration information memory is provided for storing the display screen configuration information and supplying the display screen configuration information to the central processing unit.
  • the display screen configuration information memory can provide the display screen configuration information, which is an instruction content to the color display processing unit, to the central processing unit, and the central processing unit performs color display processing on the display screen configuration information.
  • a general-purpose central processing unit can be used because it only needs to be transmitted to the unit.
  • the device is a medical device. According to the above configuration, the color display required in the liquid crystal display unit of the medical device can be quickly performed.
  • the medical device is a medical pump for supplying a medicine to a patient.
  • the color display required for the medical pump can be quickly performed.
  • the medical device is a peritoneal dialysis device.
  • the color display which a peritoneal dialysis apparatus requires can be performed rapidly.
  • only a portion requiring attention from a medical worker or a user is specially displayed in color.
  • an effective display can be achieved without waste, and the ease of use and the safety can be improved.
  • the present invention can provide a color display circuit for a liquid crystal display that can quickly display information contents in a liquid crystal display device and reduce the manufacturing cost.
  • FIG. 1 The perspective view which shows the syringe pump which is an example of the medical device which has preferable embodiment of the circuit for color display of the liquid crystal display of this invention.
  • FIG. 1 The perspective view which looked at the syringe pump shown in FIG. 1 from the W direction.
  • the flowchart which shows the operation processing example of the circuit for color displays.
  • FIG. 1 is a perspective view showing a syringe pump as an example of a medical device having a preferred embodiment of a color display circuit for liquid crystal display of the present invention.
  • FIG. 2 is a perspective view of the syringe pump shown in FIG. 1 as viewed from the W direction.
  • a micro continuous infusion pump used for performing a micro infusion treatment of a medicine such as a nutrient with a high accuracy for a relatively long time.
  • the syringe pump 1 can be set so that the syringe body 201 of the syringe 200 filled with, for example, a medicine does not move using the clamp 5.
  • the motor M shown in FIG. 2 rotates the drive shaft of the syringe pusher drive unit 7, the slider 10 of the syringe pusher drive unit 7 pushes the syringe pusher 202 of the syringe 200 in the T direction, and the syringe body.
  • the medicine in 201 is accurately fed to the patient P via the tube 203 and the indwelling needle 204.
  • the syringe pump 1 has a main body cover 2, which is also called a main body portion.
  • the main body cover 2 is integrally formed of a molded resin material having chemical resistance, and enters the inside of the syringe pump 1 even if a drug or the like is applied. It has a splash-proof treatment structure that can prevent this.
  • the syringe pump 1 has a main body cover 2 and a handle 2T.
  • a display unit 3 and an operation panel unit 4 are disposed on the upper portion 2 ⁇ / b> A of the main body cover 2.
  • a syringe setting unit 6, a motor M, and a syringe pusher drive unit 7 are disposed in the lower part 2 ⁇ / b> B of the main body cover 2.
  • the medical staff carries out the liquid feeding operation of the medicine from the syringe 200 while visually confirming the information content displayed in color on the display portion 3 of the upper portion 2A of the main body cover 2 as described later. It can be carried out. Then, the medical staff can operate the operation buttons on the operation panel unit 4 while confirming the information content displayed in color on the display unit 3 of the main body cover 2.
  • the display unit 3 shown in FIGS. 1 and 2 is a color liquid crystal display (LCD) capable of color graphic display.
  • the display unit 3 can display not only the information contents in Japanese notation such as various numerical values and warnings but also the information contents in a plurality of foreign languages as required.
  • the display unit 3 is located at the upper left position of the upper portion 2 ⁇ / b> A of the main body cover 2 and above the syringe setting unit 6 and the syringe pusher driving unit 7.
  • the operation panel unit 4 is disposed on the right side of the display unit 3 in the upper portion 2A of the main body cover 2, and the operation panel unit 4 includes operation buttons such as a pilot lamp 4A, a fast-forward switch button 4B, and a start switch in the illustrated example.
  • a button 4C, a stop switch button 4D, a menu selection button 4E, and the like are arranged.
  • the lower part 2 ⁇ / b> B of the main body cover 2 is a lower half part of the main body cover 2.
  • a mark of the pump is displayed on the peripheral part or a part of the main body cover 2, preferably by applying a color different from the surface color of the main body cover 2, for example, yellow or red sealing material, or painting. Can do.
  • a mark for this pump when a plurality of infusion pumps 1 are used in a stacked manner, or when this syringe pump 1 and other types of pumps such as an infusion pump are used in a stacked manner, the boundary between each pump is used. Has the merit of becoming clear visually.
  • the syringe setting unit 6 and the syringe pusher drive unit 7 are arranged side by side along the X direction.
  • the syringe setting unit 6 can select and attach the necessary amount of syringe 200 from among a plurality of types of syringes having different amounts of accommodation.
  • the syringe setting unit 6 shown in FIGS. 1 and 2 includes a housing unit 8 that houses the syringe body 201, a clamp 5, and a body flange gripping part 500 for fitting and gripping the body flange 209 of the syringe 200. Yes.
  • the accommodating part 8 has a concave syringe body holding part 8D.
  • a tube fixing portion 9 for detachably sandwiching the tube 203 is formed in the wall portion at the left end of the housing portion 8.
  • the tube fixing portion 9 is a groove portion that sandwiches and fixes a part of the tube 203.
  • the clamp 5 when a medical worker operates the clamp 5 and removes the syringe 200 from the syringe setting unit 6, for example, the clamp 5 is resisted against the force of a spring (not shown) in the Y1 direction (frontward direction). And the clamp 5 is separated from the outer peripheral surface of the syringe body 201 by turning 90 degrees in the R1 direction. As a result, the syringe body 201 can be released from the syringe body holding portion 8D of the housing portion 8 and the tube 203 can be removed from the tube fixing portion 9 by releasing the fixation by the clamp 5.
  • the clamp 5 when the clamp 5 is operated and the syringe 200 is accommodated and attached in the accommodating portion 8 of the syringe setting portion 6, the clamp 5 is pulled in the Y1 direction against the force of a spring (not shown) to be 90 in the R2 direction.
  • the syringe body 201 is housed in the syringe body holding part 8D of the housing part 8 and the tube 203 is fitted in the tube fixing part 9 by rotating it and returning to the Y2 direction by the force of the spring. 5 can be fixed.
  • the syringe pusher 202 is disposed in the syringe pusher drive section 7.
  • the syringe pusher drive unit 7 has a slider 10 as a moving member.
  • the slider 10 pushes the pusher flange 205 of the syringe pusher 202 little by little along the T direction relative to the syringe body 201.
  • the medicine in the syringe main body 201 can be delivered to the patient P with high accuracy over a relatively long time through the tube 203 and the indwelling needle 204.
  • the X direction, the Y direction, and the Z direction in FIGS. 1 and 2 are orthogonal to each other, and the Z direction is the vertical direction.
  • a color display circuit 100 for liquid crystal display is arranged on a circuit board in the main body cover 2 shown in FIG. 2 and is a circuit for causing the display unit 3 to display screen data including information contents in a color graphic display.
  • the color display circuit 100 includes a CPU (Central Processing Unit) 101, a CPU memory 102, a color display processing unit 300, a single display data memory 111, and a frame memory 112. is doing.
  • a color display processing unit 300 as hardware is added between the general-purpose CPU memory 102, the display data memory 111, and the frame memory 112.
  • the CPU 101 in FIG. 3 uses a general-purpose CPU that can be obtained at low cost.
  • the CPU memory 102 in FIG. 3 is electrically connected to the CPU 101.
  • As the CPU memory 102 for example, an EEPROM (electrically erasable programmable read only memory (PROM)) or the like is employed.
  • a CPU memory 102 in FIG. 3 is a display screen configuration information memory that stores display screen configuration information D1 to be displayed on the display unit 3.
  • the CPU memory 102 reads display screen configuration information D1 stored in advance and supplies it to the CPU 101.
  • the display screen configuration information D1 is an instruction content for giving information content to the color display processing unit 300.
  • the display screen configuration information D1 is displayed on the display screen of the display unit 3 by the color display processing unit 300. This is a content for instructing at which position an image is to be displayed.
  • the display data memory 111 in FIG. 3 is electrically connected to the color display processing unit 300 and stores display data D2 including image data and character data to be displayed on the display unit 3, and the color data is I don't remember.
  • the display data memory 111 for example, a FLASH memory (nonvolatile semiconductor memory) or the like is used.
  • the color display processing unit 300 in FIG. 3 is hardware that is additionally electrically connected to the general-purpose CPU 101, and is a custom IC such as a gate array or FPGA (an integrated circuit whose configuration can be set after purchase). (Integrated circuit).
  • the display unit 3 is electrically connected to the color display processing unit 300.
  • the CPU 101 transmits the display screen configuration information D ⁇ b> 1 to the color display processing unit 300 as instruction content for giving information content to the color display processing unit 300.
  • the color display processing unit 300 includes a color instruction unit 309 for instructing and adding necessary color information CL to the display data D2 taken into the color display processing unit 300 from the display data memory 111. Yes.
  • the color display processing unit 300 in FIG. 3 fetches necessary display data D2 from the display data memory 111 based on the display screen configuration information D1 as information indicating the display screen configuration. That is, the color display processing unit 300 can exhibit the function of specifying the display data D2 in the display data memory 111 and taking it from the display data memory 111.
  • the color display processing unit 300 is based on the display screen configuration information D1. Image data, character data, and the like, which are display data D2, are read.
  • the color display processing unit 300 assembles display data D2 based on the display screen configuration information D1 of the display unit 3, and the color instruction unit 309 of the color display processing unit 300 compresses the color information CL with respect to the display data D2.
  • the screen data D3 to which the color information CL is added can be created.
  • the color display processing unit 300 can add the color information CL to the display data D2 to create the screen data D3 to which the color information CL is added.
  • the storage capacity of the display data memory 111 shown in FIG. 3 can be reduced as compared with the case of using a normal display data memory in which even the color information CL is stored in advance.
  • the cost of the memory 111 can be reduced.
  • the display data memory 111 uses the fact that the storage capacity for storing the color information CL can be reduced.
  • the display data memory 111 can store a wide variety of GUIs (graphical user interfaces). Therefore, the medical worker can make a display screen of screen data including the information content in the display unit 3 so that the medical worker can intuitively operate while viewing the information content displayed on the display unit 3. .
  • the frame memory 112 in FIG. 3 is electrically connected to the color display processing unit 300.
  • the frame memory 112 for example, an SRAM (Static Random Access Memory) or a DRAM (Dynamic Random Access Memory) that stores liquid crystal display data (LCD display data) of the display unit 3 is used.
  • the frame memory 112 functions as a memory buffer for storing the screen data D3 to which the color information CL is added in the color display processing unit 300, and stores and stores the screen data D3 to which the already created color information CL is added. be able to.
  • the color information CL is added to the screen data D2
  • only the portion requiring the attention of the medical staff or the user regarding the display on the display screen of the medical device is displayed in a special color.
  • the color information CL may be added so that Thereby, in the color display of the display screen in a medical device, an effective display can be achieved without waste, and the ease of use and safety can be improved. A specific example of the portion requiring the alert will be described later.
  • the color display processing unit 300 reads the screen data D3 to which the color information CL is added from the frame memory 112 and supplies it to the display unit 3.
  • the display unit 3 is exemplified by screen data D3 including the information content G1 illustrated in FIG. 6A, screen data D3 including the information content G2 illustrated in FIG. 6B, and FIG. 7A.
  • the screen data D3 including the information content G3 and the screen data D3 including the information content G4 illustrated in FIG. 7B can be displayed in color graphics. Since the color display processing unit 300 is good at high-speed processing and parallel processing of display data, the display speed of the screen data D3 on the display unit 3 can be improved.
  • FIG. 4 is a conceptual diagram of bit convolution in the display data memory 111 shown in FIG.
  • the display data memory 111 in FIG. 3 performs convolution of the display data D2 in FIG. 3 into parallel data (bit direction) in the display data memory 111 as illustrated in FIG.
  • bit direction parallel data
  • the display data memory 111 is a parallel memory. Since the data bus between the display data memory 111 and the color display processing unit 300 has a multi-bit configuration such as 16 bits, large-capacity data can be exchanged at high speed. .
  • the color display processing unit 300 By color-multiplexing 1-bit data (font data, image data, etc.) (if 16-bit bus memory, 16 data are multiplexed), the color display processing unit 300 performs once on the display data memory 111. With this memory access, a large amount of display data D2 can be processed.
  • a memory made by M29W640 Numonyx is used as the display data memory 111 that is actually used, the capacity of this memory is 64 Mbit, and the memory configuration is 4 Mbit ⁇ 16 bits.
  • one word (1 word) is configured by 16 bits, and the color display processing unit 300 displays the 16-bit data by accessing the display data memory 111 once. Data D2 is exchanged.
  • the color display processing unit 300 accesses the display data memory 111 once to read out a plurality of (16 in the example of FIG. 4) display data D2 by simultaneous processing. Can do. Therefore, the color display processing unit 300, which is hardware, can simultaneously process a plurality of (16 in the example of FIG. 4) display data D2, so that the plurality of read display data D2 can be processed at a time.
  • the screen data D3 including a large amount of information content can be displayed on the display unit 3 by processing.
  • FIG. 5 is a flowchart showing an example of operation processing of the color display circuit 100.
  • the CPU 101 reads the display screen configuration information D ⁇ b> 1 from the CPU memory 102. That is, the CPU 101 reads the instruction content of the color display processing unit 300 that is hardware from the CPU memory 102. As a result, it is possible to give the CPU 101 information on where the information content is to be displayed on the display screen of the display unit 3.
  • the CPU 101 transmits the display screen configuration information D ⁇ b> 1 to the color display processing unit 300 as information for instructing the display screen configuration on the screen of the display unit 3.
  • step S3 of FIG. 5 the color display processing unit 300 fetches necessary display data D2 from the display data memory 111 based on the display screen configuration information D1 as information for instructing the display screen configuration. That is, the color display processing unit 300 reads image data, character data, and the like as the display data D2 from the display data memory 111 based on the display screen configuration information D1.
  • step S4 of FIG. 5 the color instruction unit 309 of the color display processing unit 300 compresses and adds the color information CL to the captured display data D2, and creates screen data D3 including the color information CL. Thereby, it is not necessary to store even the color information CL in the display data memory 111.
  • the color display processing unit 300 assembles display data D2 including image data and character data based on the display screen configuration information D1 of the display unit 3, and arranges the display data D2 anywhere on the display screen of the display unit 3. Determine.
  • step S5 of FIG. 5 the color display processing unit 300 stores screen data D3 including the color information CL assembled by the color display processing unit 300 in step S4 in the frame memory 112. That is, the frame memory 112 functions as a memory buffer that stores the screen data D3 to which the color information CL is added in the color display processing unit 300, and stores and stores the screen data D3 that has been assembled by adding the color information CL. be able to.
  • step S ⁇ b> 6 of FIG. 5 the color display processing unit 300 reads the screen data D ⁇ b> 3 to which the color information CL is added from the frame memory 112 and supplies the screen data D ⁇ b> 3 to the display unit 3. Accordingly, the color display processing unit 300 displays the screen data D3 including the information content G1 illustrated in FIG.
  • the screen data D3 including the information content G3 as illustrated and the screen data D3 including the information content G4 as illustrated in FIG. 7B can be displayed in color graphics on the display screen of the display unit 3. Since the color display processing unit 300 is good at high-speed processing and parallel processing of display data, the display speed of the screen data D3 on the display unit 3 can be improved.
  • FIGS. 6 and 7 show information contents G1 to G4 as display examples displayed on the display unit 3 shown in FIGS.
  • FIG. 6A shows screen data D3 including information content G1 displayed on the display unit 3.
  • the screen data D3 including the information content G1 displayed on the display unit 3 displays an anesthetic concentration trend display, for example, an indicator area AR0, a display column AR1 of a scheduled drug administration amount, and a display of an integrated amount of drug administration. It includes a column AR2, an anesthetic concentration trend graph AR3, and an entire area AR4.
  • the indicator area AR0 is displayed in color with a green frame.
  • the display column AR1 of the scheduled dose of drug administration, the display column AR2 of the cumulative dose of drug administration, and the trend graph AR3 of the anesthetic concentration are displayed in color with, for example, a light blue frame.
  • the entire area AR4 is displayed in color with a dark blue frame.
  • region of the information content G1 displayed on the display part 3 can be displayed by the color selected arbitrarily. Thereby, since it can color-code for every area
  • FIG. 6B shows screen data D3 including information content G2 displayed on the display unit 3.
  • the screen data D3 including the information content G2 displayed on the display unit 3 is a guidance display example for the medical staff.
  • the medical device is a syringe pump 1
  • a syringe 200 filled with a chemical solution is detachably loaded as shown in FIG. 1 instead of an infusion tube, but the information content G2 displayed on the display unit 3 is a syringe.
  • It includes a status display field AR11, a warning field AR12 for displaying a warning when the syringe 200 is not set correctly, and a display area AR13.
  • the syringe state display field AR11 is displayed in color with a thin blue frame, for example.
  • the display area AR13 including the syringe state display field AR11 is displayed in color with a green frame, for example.
  • the warning column AR12 is displayed in color with, for example, a red frame that is an alarm color in order to call attention to a medical worker.
  • the medical worker is visually alerted to the information content G2, and the medical worker The situation can be grasped instantly visually.
  • visual alerting can be performed more reliably by selecting a color that can alert a healthcare professional.
  • the medical worker can display which part of the syringe 200 is not set correctly when the syringe 200 is not set correctly. Thus, the syringe 200 can be correctly set again.
  • FIG. 7A shows screen data D3 including information content G3 displayed on the display unit 3.
  • the screen data D3 including the information content G3 displayed on the display unit 3 shows a warning display field AR14 for displaying a warning to the medical staff. By displaying the entire warning display field AR14 with a warning color such as yellow, for example, a medical worker is particularly warned of the state in which the liquid medicine in the syringe 200 shown in FIG. 1 is running out. Can do.
  • FIG. 7B shows screen data D3 including information content G4 displayed on the display unit 3.
  • the screen data D3 including the information content G4 displayed on the display unit 3 is an icon display example, and has a plurality of icon areas AR20, AR21, AR22.
  • each icon area AR20 is surrounded by a red dotted line frame
  • the icon area AR21 is surrounded by a green dotted line frame
  • the icon area AR22 is surrounded by a yellow dotted line frame.
  • the color display processing unit 300 can visually distinguish the information contents by displaying the screen data D3 including the information contents on the display unit 3 in a color graphic. Even if the amount of information content that can be provided to the worker is increased, the visibility of the screen data D3 including the information content can be improved.
  • the conventional color display circuit since all processing is performed by the CPU, the use of a high-performance CPU is required. In particular, since the current consumption of the CPU increases in proportion to the performance, it is difficult to adopt a high-performance CPU when it is necessary to suppress the current consumption.
  • the color display processing unit 300 that is hardware is additionally provided between the CPU 101 and the display unit 3.
  • the CL can be added to the display data D2 by the color instruction unit 309 of the color display processing unit 300.
  • a 16-bit storage capacity memory can be used as it is, so that the storage capacity of the display data memory 111 can be reduced and displayed.
  • the operating speed of the data memory 111 can be prevented from decreasing, and the cost can be reduced as compared with the case where a display data memory having a capacity of 24 bits is used.
  • the color display processing unit 300 which is hardware, is additionally provided between the CPU 101 and the display unit 3, so that the function of the CPU 101 itself needs to be improved.
  • the CPU 101 a general-purpose and inexpensive one can be used. That is, also in the embodiment of the present invention shown in FIG. 3, the screen processing displayed on the display unit 3 is handled not by the CPU 101 but by the color display processing unit 300 which is hardware, so that the CPU 101 is released from the image processing work. Therefore, a low performance CPU can be adopted.
  • the color display processing unit 300 which is hardware, is good at high-speed processing and parallel processing of display data, it is possible to improve the speed of image processing in the display unit 3, for example, about 20 fps (frames per second). Video display is also possible.
  • the CPU 101 itself does not sequentially switch and supply the screen data D3 including the color information CL to the display unit 3, but the color display processing unit 300, which is hardware, displays the screen including the color information CL.
  • the data D3 is sequentially switched and supplied to the display unit 3.
  • the switching speed of the screen data D3 including the color information CL when supplied to the display unit 3 can be increased. It is possible to alert a medical worker by promptly performing the medical worker.
  • the display data memory 111 does not have to store the color information CL in the display data memory 111, the storage capacity of the display data memory 111 can be reduced, and the syringe pump 1 shown in FIGS.
  • multilingual fonts can be stored instead of the color information.
  • the display data memory 111 can store a wide variety of GUIs (graphical user interfaces), the medical worker can intuitively view the information content displayed on the display unit 3. It is possible to make a screen in the display unit 3 that can be operated manually.
  • FIG. 8 shows another embodiment of the color display circuit of the present invention.
  • This is a circuit for performing color display on the display screen.
  • the color display circuit 100A includes a CPU (central processing unit) 101A, a CPU memory 102A, a color display processing unit 300A, a single display data memory 111, and a frame memory 112.
  • the CPU 101A is a general-purpose CPU.
  • the color display processing unit 300A is additionally arranged and electrically connected to the CPU 101A, and is a custom IC (hardware) such as a gate array or FPGA (an integrated circuit whose configuration can be set after purchase).
  • the display unit 3A is electrically connected to the color display processing unit 300A.
  • the color display circuit 100A shown in FIG. 8 is structurally the same as that described in FIG.
  • the display data memory 111 is electrically connected to the color display processing unit 300A and stores display data D2 for displaying a background screen to be displayed on the display unit 3A.
  • a background screen and character data are stored using, for example, a FLASH memory (nonvolatile semiconductor memory) having a storage capacity of 64 Mbit ⁇ 2.
  • the display data memory 111 may store a background screen and character data using a flash memory type memory card such as a CF card (compact flash) (registered trademark) having a storage capacity of 256 Mbits, for example.
  • a flash memory type memory card such as a CF card (compact flash) (registered trademark) having a storage capacity of 256 Mbits, for example.
  • the frame memory 112A is electrically connected to the color display processing unit 300A and employs a DRAM having a storage capacity of, for example, 256 Mbit ⁇ 2 for storing display data (LCD display data) of the display unit 3A.
  • the screen processing displayed on the display unit 3A is handled not by the CPU 101A but by the color display processing unit 300A, which is hardware, so that the CPU 101A is released from the image processing work. Therefore, a low performance CPU can be adopted.
  • the color display processing unit 300A which is hardware, is good at high-speed processing and parallel processing of display data, it is possible to improve the speed of image processing in the display unit 3A. For example, a moving image display of about 20 fps to 60 fps is also possible. It becomes possible. Also in the embodiment of the present invention shown in FIG. 8, functions and effects similar to those in the embodiment shown in FIG. 3 can be exhibited.
  • screen data including information content can be quickly displayed in color on the display unit 3 which is a liquid crystal display device, and the manufacturing cost can be reduced. That is, the display processing of the screen data including the information content displayed on the display unit 3 is not performed by the central processing unit (CPU 101) but is handled by the color display processing unit 300 which is hardware. Since the color display processing unit 300 is good at high-speed processing and parallel processing of display data, the display speed of screen data including information content in the display unit 3 can be improved. Moreover, since the central processing unit is freed from the image processing work of screen data including information content, it is not necessary to use a high-performance and expensive central processing unit, and a low-performance and inexpensive central processing unit can be adopted. Cost can be reduced.
  • a syringe pump is given as an example of a medical pump of a medical device as shown in FIGS. 1 and 2, but the present invention sequentially presses, for example, an infusion tube in addition to the illustrated syringe pump.
  • the present invention can be applied to an infusion pump for continuously feeding a drug solution passing through the infusion tube to the patient side.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Anesthesiology (AREA)
  • Vascular Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

L'invention vise à proposer un circuit d'affichage en couleurs pour affichage à cristaux liquides, ledit circuit d'affichage en couleurs pouvant afficher rapidement des contenus d'informations en couleurs sur un dispositif d'affichage à cristaux liquides et permettant également une réduction des coûts de fabrication. Pour cela, un circuit d'affichage en couleurs (100) destiné à un affichage à cristaux liquides comporte : un processeur principal (101) ; une mémoire de données d'affichage (111) qui contient des données d'affichage (D2) devant être affichées par un dispositif d'affichage à cristaux liquides (3) ; une unité de traitement d'affichage en couleurs (300) qui récupère, sur la base d'informations de configuration d'écran d'affichage (D1) fournies au processeur principal (101), les données d'affichage (D2) provenant de la mémoire de données d'affichage (111), qui ajoute des informations de couleurs (CL) à ces données d'affichage (D2) et qui réunit, sur la base des données d'affichage (D2), des données d'écran (D3) qui comprennent des contenus d'informations devant être affichés sur l'écran du dispositif d'affichage à cristaux liquides (3) ; et une mémoire d'image (112) qui contient les données d'écran (D3) ayant été réunies et les informations de couleurs qui y ont été ajoutées.
PCT/JP2012/003938 2011-06-16 2012-06-15 Circuit d'affichage en couleurs pour affichage à cristaux liquides WO2012172818A1 (fr)

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US11565134B2 (en) 2010-10-12 2023-01-31 Smith & Nephew, Inc. Medical device
US10639502B2 (en) 2010-10-12 2020-05-05 Smith & Nephew, Inc. Medical device
US9526920B2 (en) 2010-10-12 2016-12-27 Smith & Nephew, Inc. Medical device
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US11433170B2 (en) 2011-03-23 2022-09-06 Nxstage Medical, Inc. Dialysis systems, devices, and methods
US9907897B2 (en) 2011-03-23 2018-03-06 Nxstage Medical, Inc. Peritoneal dialysis systems, devices, and methods
US10046100B2 (en) 2011-03-23 2018-08-14 Nxstage Medical, Inc. Peritoneal dialysis systems, devices, and methods
US11717601B2 (en) 2011-03-23 2023-08-08 Nxstage Medical, Inc. Dialysis systems, devices, and methods
US11690941B2 (en) 2011-03-23 2023-07-04 Nxstage Medical, Inc. Peritoneal dialysis systems, devices, and methods
US11433169B2 (en) 2011-03-23 2022-09-06 Nxstage Medical, Inc. Dialysis systems, devices, and methods
US11224684B2 (en) 2011-03-23 2022-01-18 Nxstage Medical, Inc. Peritoneal dialysis systems, devices, and methods
US10603424B2 (en) 2011-03-23 2020-03-31 Nxstage Medical, Inc. Peritoneal dialysis systems, devices, and methods
US11135348B2 (en) 2011-03-23 2021-10-05 Nxstage Medical, Inc. Peritoneal dialysis systems, devices, and methods
US10610630B2 (en) 2011-03-23 2020-04-07 Nxstage Medical, Inc. Peritoneal dialysis systems, devices, and methods
US10898630B2 (en) 2011-03-23 2021-01-26 Nxstage Medical, Inc. Peritoneal dialysis systems, devices, and methods
US10688235B2 (en) 2011-03-23 2020-06-23 Nxstage Medical, Inc. Peritoneal dialysis systems, devices, and methods
US9861733B2 (en) 2012-03-23 2018-01-09 Nxstage Medical Inc. Peritoneal dialysis systems, devices, and methods
USD772924S1 (en) 2013-03-14 2016-11-29 Smith & Nephew, Inc. Display screen or portion thereof with graphical user interface for a therapy device
US10905806B2 (en) 2013-03-14 2021-02-02 Smith & Nephew, Inc. Reduced pressure wound therapy control and data communication
US12002566B2 (en) 2013-03-14 2024-06-04 Smith & Nephew, Inc. Attachment system for mounting apparatus
US10610624B2 (en) 2013-03-14 2020-04-07 Smith & Nephew, Inc. Reduced pressure therapy blockage detection
US9737649B2 (en) 2013-03-14 2017-08-22 Smith & Nephew, Inc. Systems and methods for applying reduced pressure therapy
US10328188B2 (en) 2013-03-14 2019-06-25 Smith & Nephew, Inc. Systems and methods for applying reduced pressure therapy
US11633533B2 (en) 2013-03-14 2023-04-25 Smith & Nephew, Inc. Control architecture for reduced pressure wound therapy apparatus
CN104143305A (zh) * 2013-05-07 2014-11-12 冠捷投资有限公司 具有环境警报安全功能的多媒体显示器
US10155070B2 (en) 2013-08-13 2018-12-18 Smith & Nephew, Inc. Systems and methods for applying reduced pressure therapy
US10912870B2 (en) 2013-08-13 2021-02-09 Smith & Nephew, Inc. Canister fluid level detection in reduced pressure therapy systems
JP2015066238A (ja) * 2013-09-30 2015-04-13 テルモ株式会社 情報表示装置、情報表示装置を備える送液装置及び情報表示装置の制御方法
USD835648S1 (en) 2016-10-27 2018-12-11 Smith & Nephew, Inc. Display screen or portion thereof with a graphical user interface for a therapy device
US11364328B2 (en) 2018-02-28 2022-06-21 Nxstage Medical, Inc. Fluid preparation and treatment devices methods and systems
US11207454B2 (en) 2018-02-28 2021-12-28 Nxstage Medical, Inc. Fluid preparation and treatment devices methods and systems
US11872337B2 (en) 2018-02-28 2024-01-16 Nxstage Medical, Inc. Fluid preparation and treatment devices methods and systems

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